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```
the resultant of two forces 3p and 2p is R. if the first force is double and the resultant is also double then find the angle between two forces
the resultant of two forces 3p and 2p is R. if the first force is double and the resultant is also double then find the angle between two forces

```
4 years ago

Vikas TU
14149 Points
```							the resultant of two forces 3p and 2p is R .i.e.R = root(9p^2 + 4p^2 + 12p^2costhetha)   = root(13p^2 + 12p^2*costhetha)..........................(1)now given,2R = root(36p^2 + 4p^2 + 24pcosthetha)     = root(40p^2 + 24pcosthetha)...................(2)solve these 2 eqns. and get costhetha.
```
4 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions